//usage: "[-d DELAY] [-t TIMEOUT] [-s SPEED] [-X] TTY"
//usage:#define microcom_full_usage "\n\n"
//usage: "Copy bytes for stdin to TTY and from TTY to stdout\n"
-//usage: "\nOptions:"
//usage: "\n -d Wait up to DELAY ms for TTY output before sending every"
//usage: "\n next byte to it"
//usage: "\n -t Exit if both stdin and TTY are silent for TIMEOUT ms"